Rotary Kiln-Henan Dajia Mining Machinery Co., Ltd.

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Rotary Kiln

A rotary kiln is a continuous process designed specifically for drying, calcining, processing, or sintering bulk materials.

Rotary Kiln Process

The rotary kiln heated chamber is a long horizontal tube that is rotated with one end slightly elevated. The bulk material is continuously fed into the elevated end of the tube and cascades down the length of the tube by the tube’s continuous rotation. The bulk material exits the tube at the other end and falls into a collection hopper. Depending on the required operating temperature of the rotary kiln, the tube material will either be a high temperature metal alloy or ceramic composition.

Rotary Kiln Design Requirements

The following information is required to determine the tube OD, tube ID, tube length, tube rotation speed, the tube inclination angle, and the tube material:

Cement

Lime

Refractories

Metakaolin

Titanium dioxide

Alumina

Vermiculite

Iron ore pellets

LECA Plant--Light Weight Expanded Clay Aggregate Plant

Oil Proppant/Frac Sand Plant

Slag

...............

A schematic of this kind of rotary kiln incinerator is shown here.

The rotary kiln allows incineration of almost all types of material safely and efficiently.

The drum consists of a rotary body which is refractory lined using a highly heat resistant type of refractory adapted to requirements of the waste. It is slightly inclined (1-3.5˚) in order to move the product towards the post combustion chamber by the revolution of the drum. Drum revolution can be adjusted and usually is in the range of 0.5 to 1.5 rpm.

Technical Parameters			Main reducer			Main Motor		Others
Model	Rotation Speed(r/min)	Slop (%)	Yield (t/h)	Model	speed ratio	Model	power(kw)	speed(r/min)	Block Round Form	Supporter	Weight (t)
1.9/1.6×36m	0.53-1.59	4	2.5-3	JZQ750-1	48.85	JZT-72-4	30	1200/400	mechanical	3	53
2.1/1.8×36m	0.5-1.51	4	4	UT2-110	163.36	JZS-81	30	1410/470	mechanical	3	75
1.2×35m	0.5-1.6	3	1.5	PM650	40.17	JZTY71-4	22	1200/120	mechanical	3	34
1.6×32m	0.158-0.258	3	2	PM750	48.57	JZTY61-4	15	1200/120	mechanical	3	46.82
1.8×45m	0.66-1.98	4	3.5	UT2-110	163.36	JZS-81	30	1410/470	mechanical	3	80
2.2×50m	0.125-1.25	3.5	4	ZS145-11	157	YCT280-4A	30	1320/132	mechanical	3	130.7
2.5×50m	0.516-1.549	3.5	5.5	ZS165-7	99.96	YCT355-4A	55	1320/140	mechanical	3	167.5
3×48m	0.3309-3.309	3.5	35	ZI130-14	32.11	ZSN4-250-21B	90	1000/100	mechanical	3	237
3.2×50m	0.398-3.975	3.5	50	ZI130-16	40.85	ZSN4-280-11B	190	1500/150	mechanical	3	263
3.3×52m	0.391-3.91	3.5	50	ZSY500-28	27.707	ZSN4-315-082	190	1000/100	mechanical	3	280.8
4×60m	0.396-3.96	3.5	104	ZSY630-35.5	34.601	ZSN4-355-092	315	1000/100	hydraulic	3	487.5
4.2×60m	0.4165-4.165	3.5	116	ZSY710-35.5	35.526	ZSN4-355-12	420	1000/100	hydraulic	3	576.1
4.3×62m	0.398-3.98	3.5	125	ZSY710-35.5	35.714	ZSN4-355-12	420	1000/100	hydraulic	3	598.5
4.8×74m	0.35-4	4	208	JH710C-SW305-40	42.226	ZSN4-400-092	630	1500/130	hydraulic	3	841

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